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Elastic Docs ›Elastic Common Schema (ECS) Reference [1.1] ›ECS Field Reference

Hash Fields

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Hash Fields

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The hash fields represent different hash algorithms and their values.

Field names for common hashes (e.g. MD5, SHA1) are predefined. Add fields for other hashes by lowercasing the hash algorithm name and using underscore separators as appropriate (snake case, e.g. sha3_512).

Hash Field Details

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Field Description Level

hash.md5

MD5 hash.

type: keyword

extended

hash.sha1

SHA1 hash.

type: keyword

extended

hash.sha256

SHA256 hash.

type: keyword

extended

hash.sha512

SHA512 hash.

type: keyword

extended

Field Reuse

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The hash fields are expected to be nested at: file.hash, process.hash.

Note also that the hash fields are not expected to be used directly at the top level.

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